Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753397AbaDDPMm (ORCPT ); Fri, 4 Apr 2014 11:12:42 -0400 Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:11508 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752661AbaDDPMj (ORCPT ); Fri, 4 Apr 2014 11:12:39 -0400 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 96.249.243.124 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX18cpaYxfX+A3OXp9SnZbbBKkMAvOaHmQOk= X-DKIM: OpenDKIM Filter v2.0.1 titan 6F1A0551EAD Date: Fri, 4 Apr 2014 11:12:33 -0400 From: Jason Cooper To: Levente Kurusa Cc: Teodora =?utf-8?B?QsSDbHXFo8SD?= , Dave Jones , "linux-kernel@vger.kernel.org" , "Waskiewicz Jr, Peter P" Subject: Re: [RFC] QR encoding for Oops messages Message-ID: <20140404151233.GA28334@titan.lakedaemon.net> References: <20140319201838.GA11403@redhat.com> <20140321132816.GW15608@titan.lakedaemon.net> <532DC3D3.9060008@linux.com> <20140323193839.GY15608@titan.lakedaemon.net> <20140401142051.GO28304@titan.lakedaemon.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 03, 2014 at 10:21:39PM +0200, Levente Kurusa wrote: ... > Oh and I had an idea of adding a new kernel parameter, something > like 'qr_oops.*'. (Looking for a better name! :-) ) > Basically, I thought of the following options so far: > > * qr_oops.disable=1 - disable it > * qr_oops.scale=600x600 - scale the qr code so its easier to read > with a phone. In my testing I had huge difficulties reading the > QR codes, but when scaled to be a bit bigger it worked magically. > This might not be so easy to implement this way, but with preset > values, i.e. 4x4 squares instead of a pixel, it could work. oops.qr=0 - disabled oops.qr=3 - make each QR pixel 3x3 screen pixels. I've found 3x3 works well for business cards and such. 0.02c... thx, Jason. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/